diff options
author | Ian Rogers <irogers@google.com> | 2024-04-16 09:15:18 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-04-27 04:07:20 +0300 |
commit | 63dfcde9779bcab5cff909819e8c82d472ea117a (patch) | |
tree | 1dd63c95795d718157ed1289caab87969a61eafd /tools/perf/util | |
parent | 8b734eaa98ac3f22bbaa253273fd16f391b3d5f8 (diff) | |
download | linux-63dfcde9779bcab5cff909819e8c82d472ea117a.tar.xz |
perf parse-events: Directly pass PMU to parse_events_add_pmu()
Avoid passing the name of a PMU then finding it again, just directly
pass the PMU. parse_events_multi_pmu_add_or_add_pmu() is the only version
that needs to find a PMU, so move the find there. Remove the error
message as parse_events_multi_pmu_add_or_add_pmu will given an error at
the end when a name isn't either a PMU name or event name. Without the
error message being created the location in the input parameter (loc)
can be removed.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Atish Patra <atishp@rivosinc.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Beeman Strong <beeman@rivosinc.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240416061533.921723-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/parse-events.c | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index a6f71165ee1a..2d5a275dd257 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1386,32 +1386,18 @@ static bool config_term_percore(struct list_head *config_terms) } static int parse_events_add_pmu(struct parse_events_state *parse_state, - struct list_head *list, const char *name, - const struct parse_events_terms *const_parsed_terms, - bool auto_merge_stats, void *loc_) + struct list_head *list, struct perf_pmu *pmu, + const struct parse_events_terms *const_parsed_terms, + bool auto_merge_stats) { struct perf_event_attr attr; struct perf_pmu_info info; - struct perf_pmu *pmu; struct evsel *evsel; struct parse_events_error *err = parse_state->error; - YYLTYPE *loc = loc_; LIST_HEAD(config_terms); struct parse_events_terms parsed_terms; bool alias_rewrote_terms = false; - pmu = parse_state->fake_pmu ?: perf_pmus__find(name); - - if (!pmu) { - char *err_str; - - if (asprintf(&err_str, - "Cannot find PMU `%s'. Missing kernel support?", - name) >= 0) - parse_events_error__handle(err, loc->first_column, err_str, NULL); - return -EINVAL; - } - parse_events_terms__init(&parsed_terms); if (const_parsed_terms) { int ret = parse_events_terms__copy(const_parsed_terms, &parsed_terms); @@ -1425,9 +1411,9 @@ static int parse_events_add_pmu(struct parse_events_state *parse_state, strbuf_init(&sb, /*hint=*/ 0); if (pmu->selectable && list_empty(&parsed_terms.terms)) { - strbuf_addf(&sb, "%s//", name); + strbuf_addf(&sb, "%s//", pmu->name); } else { - strbuf_addf(&sb, "%s/", name); + strbuf_addf(&sb, "%s/", pmu->name); parse_events_terms__to_strbuf(&parsed_terms, &sb); strbuf_addch(&sb, '/'); } @@ -1469,7 +1455,7 @@ static int parse_events_add_pmu(struct parse_events_state *parse_state, strbuf_init(&sb, /*hint=*/ 0); parse_events_terms__to_strbuf(&parsed_terms, &sb); - fprintf(stderr, "..after resolving event: %s/%s/\n", name, sb.buf); + fprintf(stderr, "..after resolving event: %s/%s/\n", pmu->name, sb.buf); strbuf_release(&sb); } @@ -1583,8 +1569,8 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state, continue; auto_merge_stats = perf_pmu__auto_merge_stats(pmu); - if (!parse_events_add_pmu(parse_state, list, pmu->name, - &parsed_terms, auto_merge_stats, loc)) { + if (!parse_events_add_pmu(parse_state, list, pmu, + &parsed_terms, auto_merge_stats)) { struct strbuf sb; strbuf_init(&sb, /*hint=*/ 0); @@ -1596,8 +1582,8 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state, } if (parse_state->fake_pmu) { - if (!parse_events_add_pmu(parse_state, list, event_name, &parsed_terms, - /*auto_merge_stats=*/true, loc)) { + if (!parse_events_add_pmu(parse_state, list, parse_state->fake_pmu, &parsed_terms, + /*auto_merge_stats=*/true)) { struct strbuf sb; strbuf_init(&sb, /*hint=*/ 0); @@ -1626,7 +1612,7 @@ int parse_events_multi_pmu_add_or_add_pmu(struct parse_events_state *parse_state { char *pattern = NULL; YYLTYPE *loc = loc_; - struct perf_pmu *pmu = NULL; + struct perf_pmu *pmu; int ok = 0; char *help; @@ -1637,10 +1623,12 @@ int parse_events_multi_pmu_add_or_add_pmu(struct parse_events_state *parse_state INIT_LIST_HEAD(*listp); /* Attempt to add to list assuming event_or_pmu is a PMU name. */ - if (!parse_events_add_pmu(parse_state, *listp, event_or_pmu, const_parsed_terms, - /*auto_merge_stats=*/false, loc)) + pmu = parse_state->fake_pmu ?: perf_pmus__find(event_or_pmu); + if (pmu && !parse_events_add_pmu(parse_state, *listp, pmu, const_parsed_terms, + /*auto_merge_stats=*/false)) return 0; + pmu = NULL; /* Failed to add, try wildcard expansion of event_or_pmu as a PMU name. */ if (asprintf(&pattern, "%s*", event_or_pmu) < 0) { zfree(listp); @@ -1660,9 +1648,9 @@ int parse_events_multi_pmu_add_or_add_pmu(struct parse_events_state *parse_state !perf_pmu__match(pattern, pmu->alias_name, event_or_pmu)) { bool auto_merge_stats = perf_pmu__auto_merge_stats(pmu); - if (!parse_events_add_pmu(parse_state, *listp, pmu->name, + if (!parse_events_add_pmu(parse_state, *listp, pmu, const_parsed_terms, - auto_merge_stats, loc)) { + auto_merge_stats)) { ok++; parse_state->wild_card_pmus = true; } |